<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>数组</title>
		<script>
			//初始化	
			var a=["龙凯","小马","小孟","大牛","姜传奇","马士威","jacky"];
			alert(a.join("#"));
			a.sort();
			alert(a.join("#"));
			a.copyWithin(3,0,2);
			alert(a.join("#"));
		</script>
	</head>
	<body>
	</body>
</html>